Product Details
These Camber-Adjustable Top Mounts to your 2015-2020 BMW M135i xDrive AWD (F21) are designed for OEM dampers, allowing precise camber tuning without replacing the original suspension components. They improve handling, optimize tire wear, and ensure proper alignment, enhancing overall vehicle performance. Built for durability and reliable operation, they provide a simple and effective way to fine-tune suspension geometry for both professional and enthusiast applications.
Standard Features
- Up to 4.2° Negative Camber Adjustment – Provides an additional 0° to -4.2° of camber via a slotted design, improving on factory adjustment achieved through the OE control arms alone.
- Direct Bolt-On for Factory Struts – Designed to work seamlessly with the vehicle's original dampers, both standard and electronically-adjustable (EDC) equipped, retaining full OE functionality with no modifications needed.
- Premium Spherical Bearings – Solid bushings made from 7075 high-grade aluminum with stainless steel inserts (manufactured in Japan) reduce deflection and improve steering feedback, while remaining effectively silent to preserve factory NVH.
- Billet Aluminum Construction – CNC-machined for strength, corrosion resistance, and long-term durability, hand-assembled in the Netherlands under strict quality control.
- Stackable with AST Lowering Springs – Compatible with AST's lowering spring and adjustable lowering spring sets, letting owners who already run those components add camber adjustability without sacrificing the OE dampers' electronic functionality.
Specifications
| Part Number | TMA-B09-B1-20F |
| Part Name | Camber-Adjustable Top Mounts |
| Vehicle | 2015-2020 BMW M135i xDrive AWD |
| Chassis Code | F21 |
Vehicle Fitment
- 2015 BMW M135i xDrive AWD (F21)
- 2016 BMW M135i xDrive AWD (F21)
- 2017 BMW M135i xDrive AWD (F21)
- 2018 BMW M135i xDrive AWD (F21)
- 2019 BMW M135i xDrive AWD (F21)
- 2020 BMW M135i xDrive AWD (F21)

